A square garden has an area of 144 square feet. How many yard of fence will it take to enclose the garden?
2 answers:
Answer:
16 yards
Step-by-step explanation:
The area (A) of a square is calculated as
A = s² ( s is the length of side )
Here A = 144 , then
s² = 144 ( take square root of both sides )
s = = 12
Then
perimeter = 4s = 4 × 12 = 48
fence required to enclose garden = 48 ft
Using the conversion 1 yard = 3 feet , then
fence required = 48 ÷ 3 = 16 yards
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Answer:
True
Step-by-step explanation:
Given that:
M = 27, sample of n = 36 scores, µ = 30 and σ = 18.
The z score is used in statistics to determine by how many standard deviations the raw score is above or below the mean. If the z score is positive, the raw score is greater than the mean and if the z score is negative the raw score is less than the mean. The z score is given as:
Given that M = 27, this means that x = 27. Therefore:
This sample mean corresponds to a z-score of z = –1.00.